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Domestic Structural Plywood
We manufacture JAS-certified structural plywood with an F☆☆☆☆ low formaldehyde emission rating, primarily using domestic wood species such as Japanese cedar (Sugi), Japanese larch (Karamatsu), Sakhalin fir (Todomatsu), and Japanese cypress (Hinoki). The panels are bonded with alkali phenol resin adhesive and available in thicknesses ranging from 9 mm to 50 mm. Our products are widely utilized in residential construction, including flooring, wall components, and roofing applications, and are supplied to building material manufacturers, house builders, and pre-cut factories.
ManufacturerSeihoku Plywood Co., Ltd
Website
Published date22 Jan 2026
Product SectorConstruction product
EPD numberHUB-4932
Country Japan
Expiry date 22 Jan 2031
Product sector |
Construction product |
EPD category |
Third party verified EPD (5 years) |
Averaging type |
No averaging |
Scope |
Cradle to gate with modules C1-C4 and D |
Reference standard |
EN 15804:2012+A2:2019/AC:2021 |
PCR |
EPD Hub Core PCR 1.2 |
cPCR |
Not provided |
Manufacturer information
Name |
Seihoku Plywood Co., Ltd |
Address |
1-25-5 Hongo, Bunkyo-ku, Tokyo, Japan |
| quality@seihoku-group.co.jp | |
Website |
https://www.seihoku.gr.jp |
Verification details
EPD author |
Ryuuichi Okada |
Verifier |
Dusan Vukovic |
Declaration status |
Verified |
Environmental impacts
Declared unit |
1m3 |
Mass per unit |
430.0 kg |
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